IBM iSeries (AS/400) Systems Administrator

Position: IBM iSeries (AS/400) Systems Administrator, L2

Location: Colombia – 100% Remote

Duration: 6 months + Contract

Key Responsibilities

Escalation Handling & Team Support

Serve as the escalation point for L1 Operators and resolve incidents and service requests.

Guide and provide knowledge transfer to L1 team members.

Create and update operational documentation and runbooks.

System Administration & Performance

Perform daily health checks and proactive monitoring.

Analyze performance issues (CPU, memory, disk, jobs) and recommend or apply tuning.

Support capacity reporting and operational metrics.

Security Administration

Administer user profiles, authorities, and security controls.

Apply SSL/digital certificates and support SSH configuration.

Support audits and remediate vulnerabilities as directed.

Backup, Recovery & Business Continuity

Manage and troubleshoot BRMS backups, policies, and schedules.

Perform restores and recovery operations.

Analyze backup failures and unsaved objects, and implement fixes.

High Availability & DR Support

Support and monitor HA/DR environments and replication.

Participate in DR tests, failover, and failback activities.

Storage & IFS Administration

Perform disk management, storage monitoring, and space clean-up.

Administer the Integrated File System (IFS).

Support storage expansion under L3 direction.

Network Administration

Configure and troubleshoot TCP/IP on IBM i (interfaces, routes, services).

Support connectivity for servers, HMCs, and tape libraries.

Job & Workload Management

Administer and troubleshoot Advanced Job Scheduler jobs and schedules.

Support production workload scheduling changes.

Tape Library & Device Administration

Administer tape libraries and devices, including media lifecycle and retention.

Support firmware updates on tape devices.

Maintenance & Upgrades

Apply PTFs and support IBM i OS upgrades.

Support application deployments across LPARs.

HMC & VIOS Support

Perform day-to-day HMC operations: LPAR management, user access, and monitoring.

Support HMC backups and health checks.

Perform basic VIOS tasks: virtual adapters, LPAR disk add/remove, and virtual media library usage for OS loads.

Support pre- and post-upgrade health checks for firmware and HMC/VIOS updates.

Vendor Coordination

Log and follow up on IBM and third-party support cases.

Escalate complex or critical issues to L3 with clear technical detail.

Required Skills

5-8 years of hands-on IBM i (AS/400) administration.

Solid knowledge of BRMS, Advanced Job Scheduler, PTF management, and IFS.

Working knowledge of IBM i security, TCP/IP, and storage management.

Experience with HMC and LPAR administration.

Exposure to VIOS (virtual SCSI, NPIV, virtual Ethernet, SEA).

Strong troubleshooting and problem-solving skills.

Ability to mentor L1 team members.

Nice to Have

Experience with HA/DR tools and DR testing.

Power firmware upgrade exposure.

IBM i certification and ITIL knowledge.

Work Environment

24x7 production support with on-call rotation.

Participation in planned maintenance, upgrades, and DR exercises outside business hours.